<!DOCTYPE html>
<html>
<head>
  <title>响应式Web设计——媒体查询</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    * {
        box-sizing: border-box;
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    .row:after {
        content: "";
        clear: both;
        display: block;
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    [class*="col-"] {
        float: left;
        padding: 15px;
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    html {
        font-family: "Lucida Sans", sans-serif;
    }
    .header {
        background-color: #9933cc;
        color: #ffffff;
        padding: 15px;
    }
    .menu ul {
        list-style-type: none;
        margin: 0;
        padding: 0;
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    .menu li {
        padding: 8px;
        margin-bottom: 7px;
        background-color :#33b5e5;
        color: #ffffff;
        box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
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    .menu li:hover {
        background-color: #0099cc;
    }
    .aside {
        background-color: #33b5e5;
        padding: 15px;
        color: #ffffff;
        text-align: center;
        font-size: 14px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
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    .footer {
        background-color: #0099cc;
        color: #ffffff;
        text-align: center;
        font-size: 12px;
        padding: 15px;
    }
    /* For mobile phones: */
    [class*="col-"] {
        width: 100%;
    }
    @media only screen and (min-width: 600px) {
        /* For tablets: */
        .col-m-12 {width: 8.33%;}
        .col-m-2 {width: 16.66%;}
        .col-m-3 {width: 25%;}
        .col-m-4 {width: 33.33%;}
        .col-m-5 {width: 41.66%;}
        .col-m-6 {width: 50%;}
        .col-m-7 {width: 58.33%;}
        .col-m-8 {width: 66.66%;}
        .col-m-9 {width: 75%;}
        .col-m-10 {width: 83.33%;}
        .col-m-11 {width: 91.66%;}
        .col-m-12 {width: 100%;}
    }
    @media only screen and (min-width: 768px) {
        /* For desktop: */
        .col-1 {width: 8.33%;}
        .col-2 {width: 16.66%;}
        .col-3 {width: 25%;}
        .col-4 {width: 33.33%;}
        .col-5 {width: 41.66%;}
        .col-6 {width: 50%;}
        .col-7 {width: 58.33%;}
        .col-8 {width: 66.66%;}
        .col-9 {width: 75%;}
        .col-10 {width: 83.33%;}
        .col-11 {width: 91.66%;}
        .col-12 {width: 100%;}
    }
  </style>
</head>
  <body>
    <div class="header">
      <h1>Chania</h1>
    </div>

    <div class="row">
      <div class="col-3 col-m-3 menu">
      <ul>
        <li>The Flight</li>
        <li>The City</li>
        <li>The Island</li>
        <li>The Food</li>
      </ul>
      </div>

      <div class="col-6 col-m-9">
        <h1>The City</h1>
        <p>Chania is the capital of the Chania region on the island of Crete. The city can be divided in two parts, the old town and the modern city.</p>
      </div>

    	<div class="col-3 col-m-12">
    		<div class="aside">
    			<h2>What?</h2>
    			<p>Chania is a city on the island of Crete.</p>
    			<h2>Where?</h2>
    			<p>Crete is a Greek island in the Mediterranean Sea.</p>
    			<h2>How?</h2>
    			<p>You can reach Chania airport from all over Europe.</p>
    		</div>
    	</div>

    </div>

    <div class="footer">
      <p>Resize the browser window to see how the content respond to the resizing.</p>
    </div>

  </body>
</html>
